This topic is included for completeness. For more detail see the source code located in the VC\atlmfc\src\mfc folder of your Visual Studio installation.
virtual BOOL DrawComboBorderWinXP(
   CDC* pDC,
   CRect rect,
   BOOL bDisabled,
   BOOL bIsDropped,
   BOOL bIsHighlighted
);
Parameters
[in] pDC
[in] rect
[in] bDisabled
[in] bIsDropped
[in] bIsHighlighted
Requirements
Header: afxvisualmanagerwindows.h